st: Survival analysis

Hi,
I am using Stata 10 and my dataset looks like below;
DirectorId, CompanyId, Sex, Role, Date, QuarterId (starting from 1965)
The data is on calendar dates, but if a row does not repeat for a new quarter, then it means the previous reported role ended. I am not sure what is the easiest way of organizing the data for survival analysis. Do I need to add the quarters which did not have the role one by one? or any Stata command can do it easily?
kind regards
Ozgur Ozdemir
E: ozdemirozgur@hotmail.com
Skype : ozgurozdemir2005
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